CN110887435B - Detection platform - Google Patents
Detection platform Download PDFInfo
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- CN110887435B CN110887435B CN201911225186.XA CN201911225186A CN110887435B CN 110887435 B CN110887435 B CN 110887435B CN 201911225186 A CN201911225186 A CN 201911225186A CN 110887435 B CN110887435 B CN 110887435B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a detection platform, which comprises a base station and a mobile detection device arranged on the base station, wherein the mobile detection device comprises a detection rack and a plurality of linear modules arranged on the detection rack; the base station comprises a base station frame, and a beating mechanism, a beating reference mechanism, a corner detection mechanism and a plane compensation mechanism which are arranged on the base station. The invention has two processes of initial positioning and accurate positioning, has higher positioning precision, can simultaneously complete the detection of the straightness error, the perpendicularity error and the planeness error of the flat plate, fills the technical blank of detecting planeness errors of large-size and ultrathin flat plates, and can be widely applied to the field of planeness error detection of various large-size plates.
Description
Technical Field
The invention relates to the technical field of flatness detection, in particular to a detection platform.
Background
With the development of modern science and technology, the demand of the industry for various flat plates is increasing, and the demand for the flat plates is also increasing, especially in the field of manufacturing liquid crystal displays, the rapid development of the research on liquid crystal displays puts higher demands on the manufacturing of glass substrates required by the liquid crystal displays, in terms of performance, the manufacturing process of high-performance displays often includes multiple times of precision lithography, which requires that the outline dimensions of the substrates have higher processing precision, wherein the most important is the requirement on the flatness error and thickness of the substrates, which are important factors, for example, when the precision of the two substrates of an active LCD cannot be guaranteed, the formed cell space, namely the distance between the two substrates, generates errors and directly affects the electric field and pixels, so that the gray scale and the color of the displays are not uniform, and for the substrates with low flatness, many problems are brought in the process of lithography, the exposure does not focus on the entire surface, which can cause problems with the microcircuits within.
Based on the above phenomena, currently, methods such as a level meter method, an autocollimator method, an optical axis method, a liquid level method and the like are mainly used for detecting the flatness of the flat plate, but these methods cannot meet the requirement of large-scale automatic detection of flatness errors of large-size and ultrathin glass, so that designing a device for large-scale full-automatic detection of flatness errors of large-size and ultrathin flat plates is a problem that needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a detection platform, which is used for solving the problems in the prior art, has high positioning precision and can simultaneously detect the straightness error, the perpendicularity error and the planeness error of a flat plate.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a detection platform, which comprises a mobile detection device arranged on a base platform, wherein the base platform comprises a base platform frame, and a positive beating mechanism, a positive beating reference mechanism, a corner detection mechanism and a plane compensation mechanism which are arranged on the base platform;
the bracket for holding the flat plate to be detected is placed in the detection space between the mobile detection device and the base station on the base station frame, the flat plate to be detected is positioned on the detection rack, the correcting mechanism starts to act before the bracket contacts the plane compensation mechanism, and the correcting mechanism carries out primary positioning on the flat plate to be detected and the bracket thereof by taking the correcting reference mechanism as a reference; after the bracket is placed on the plane compensation mechanism, the patting mechanism performs a second action, the patting mechanism performs fine adjustment and positioning on the bracket and the flat plate to be detected under the auxiliary action of the plane compensation mechanism, and when the two positioning actions of the patting mechanism are completed, the corner detection mechanism and the mobile detection device start subsequent detection work; and the linear modules are used for collecting data points on the measured flat plate.
Preferably, the base frame is of a frame structure, the patting calibration mechanism is arranged on one side edge of the upper surface of the base frame, and the patting calibration mechanism comprises a patting calibration mounting frame and a plurality of universal ball units arranged on the patting calibration mounting frame; universal ball unit includes universal ball mount pad and installs the universal ball in the universal ball mount pad, and a plurality of on the universal ball apart from clapping just the base mounting frame installation face farthest point all tangent with same vertical plane.
Preferably, the positive beating mechanism comprises a large cylinder positive beating mechanism, the large cylinder positive beating mechanism comprises a positive beating frame, a large positive beating cylinder and a guide rod, the large positive beating cylinder and the guide rod are arranged on the positive beating frame, positive beating bending grooves are further connected to the end parts of push rods of the guide rod and the large positive beating cylinder, and a plurality of positive beating rollers which are arranged in a straight line are arranged in the grooves of the positive beating bending grooves; the large cylinder beat positive mechanism is respectively and fixedly arranged at the middle position of one side adjacent to the edge of the base table frame where the beat positive reference mechanism is positioned and the middle position of the opposite edge.
Preferably, the patting mechanism further comprises a fine-adjustment patting mechanism, and the fine-adjustment patting mechanism comprises a fine-adjustment patting mounting frame, a fine-adjustment cylinder arranged on the fine-adjustment patting mounting frame, and a fine-adjustment patting roller arranged at the end part of a push rod of the fine-adjustment patting cylinder; the side wall of the fine adjustment shooting cylinder is arranged on the upper mounting surface of the fine adjustment shooting mounting frame, and a fine adjustment shooting roller mounting plate is arranged between the push rod of the fine adjustment shooting cylinder and the fine adjustment shooting roller; the whole fine adjustment shooting mechanism is respectively arranged on the edge of the base frame where the shooting reference mechanism is located and the edge of the big cylinder shooting mechanism.
Preferably, the corner detection mechanism comprises a plurality of sets of dial indicator parts which are respectively arranged on the side of the large cylinder correcting mechanism on the base rack, wherein each dial indicator part comprises an instrument cylinder frame I and an instrument pushing cylinder I, the side surface of the instrument pushing cylinder I is arranged on the mounting surface of the instrument cylinder mounting frame I, the end part of a push rod of the instrument pushing cylinder I is connected with the instrument frame I, the top of the instrument frame I is provided with a first tightening clamp opening for mounting a dial indicator, and the first tightening clamp opening is internally provided with the first dial indicator; a first key cylinder is arranged right above the first dial indicator, and a first key cylinder mounting frame is arranged between the first key cylinder and the first instrument frame; the straight lines of the measuring heads of the dial gauges in the sets of dial gauge parts arranged on the same side of the base station frame are perpendicular to the straight lines of the measuring heads of the sets of dial gauges arranged on the adjacent sides of the base station frame, and the sets of dial gauges are positioned on the same horizontal plane.
Preferably, the corner detection mechanism further comprises a group of liftable dial indicator components arranged on the side surface of the base rack, which is adjacent to the edge where the patting calibration mechanism is located and opposite to the edge where the large cylinder patting calibration mechanism is located; the lifting dial gauge component comprises a lifting cylinder and a lifting cylinder mounting frame for mounting the lifting cylinder, the end part of a push rod of the lifting cylinder is connected with a double-sided mounting plate, the other side of the double-sided mounting plate is connected with a second instrument pushing cylinder, the end part of the push rod of the second instrument pushing cylinder is connected with a second instrument frame, the top of the second instrument frame is provided with a second fastening clamp opening for mounting a dial gauge, and the second dial gauge is mounted in the second fastening clamp opening; and a second key cylinder is arranged right above the second dial indicator, and a second key cylinder mounting frame is arranged between the second key cylinder and the second instrument frame.
Preferably, a stop cylinder is further arranged on the side face of the base rack, where the liftable dial indicator component is located.
Preferably, the plane compensation mechanism comprises a plurality of groups of plane compensators arranged on the base rack, each plane compensator comprises a plurality of floating cylinders, the cylinder bodies of the floating cylinders are fixed on the base rack, and the movable ends of the tops of the floating cylinders are connected with a horizontal flat plate.
Preferably, the detection rack is a rectangular frame structure constructed by a plurality of sectional materials; the section bar of a group of opposite sides at the upper side of the detection rack is provided with a linear module I and a linear module II which are parallel to each other, the slide blocks of the linear module I and the linear module II are connected through one section bar, and the section bar is also provided with a linear module III; a fourth linear module is also arranged on the sliding block of the third linear module, and a detection head is arranged on the sliding block of the fourth linear module; the detection head can move freely in the three directions of XYZ under the action of the linear modules I to IV.
Compared with the prior art, the invention has the following technical effects:
the detection platform is applied to flatness detection of large-size flat plates, and fills up the technical blank of flatness error detection of large-size and ultrathin flat plates; the detection of straightness errors, verticality errors and flatness errors of the flat plate can be completed simultaneously; the method also has two processes of initial positioning and accurate positioning, and the positioning precision is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a large cylinder beating mechanism in the invention;
FIG. 3 is a schematic structural view of the fine adjustment mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the stopping cylinder in the present invention;
FIG. 5 is a schematic view of a positive reference mechanism according to the present invention;
FIG. 6 is a schematic view of the construction of the parts of the dial gauge of the present invention;
FIG. 7 is a schematic structural diagram of a part of the liftable dial indicator in the invention;
FIG. 8 is a schematic view of the structure of the planar compensation mechanism according to the present invention;
wherein, 1, a base station; 1-1, a base frame; 1-2, a beating mechanism; 1-2-1, a big cylinder correcting mechanism; 1-2-1-2, a large-beat positive cylinder; 1-2-1-3, a guide rod; 1-2-1-4, and a positive bending frame; 1-2-1-5, and beating a roller; 1-2-2, a fine adjustment and correcting mechanism; 1-2-2-1, fine-tuning and correcting the installation frame; 1-2-2-2, fine tuning the cylinder; 1-2-2-3, fine adjustment of a patting roller; 1-2-2-4, fine-tuning a beating roller mounting plate; 1-2-3, a stop cylinder; 1-2-3-4, stop roller; 1-3, a patting reference mechanism; 1-3-1, beating the standard mounting rack; 1-3-2, universal ball unit; 1-3-2-1, a universal ball mounting seat; 1-3-2-2, universal ball; 1-4; a corner detection mechanism; 1-4-1, parts of a dial indicator; 1-4-1-1, a first instrument cylinder frame; 1-4-1-2, an instrument propulsion cylinder I; 1-4-1-3, and a first instrument frame; 1-4-1-4, and fastening the first clamping opening; 1-4-1-5 and a first dial indicator; 1-4-1-6, a key cylinder; 1-4-1-7, a cylinder mounting rack; 1-4-2, a liftable dial indicator part; 1-4-2-1 lifting cylinder; 1-4-2-2, a lifting cylinder mounting rack; 1-4-2-3, a double-sided mounting plate; 1-4-2-4, an instrument propulsion cylinder II; 1-4-2-5 and a second instrument frame; 1-4-2-6, and tightly fixing a second clamping opening; 1-4-2-7 and a second dial indicator; 1-4-2-8, a key cylinder; 1-4-2-9, a key cylinder mounting rack; 1-5, a plane compensation mechanism; 1-5-1, a planar compensator; 1-5-1-1, floating cylinder; 1-5-1-2, plate; 2. a movement detection device; 2-1, detecting the frame; 2-2, a linear module I; 2-3, a linear module II; 2-4, a linear module III; 2-5, a linear module IV; 2-5-1, and a detection head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a detection platform, which is used for solving the problems in the prior art, has high positioning precision and can simultaneously detect the straightness error, the perpendicularity error and the planeness error of a flat plate.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-8, the present invention provides a testing platform, which is composed of a mobile testing device 2 and a base platform 1, as shown in fig. 1, the mobile testing device 2 is installed on the base platform 1, when the present invention works, a bracket for holding a flat plate to be tested needs to be placed in a testing space between the base platform 1 and the mobile testing device 2, as shown in fig. 1, a port a is a bracket inlet.
As shown in fig. 1, the mobile detection device 2 comprises a detection rack 2-1, a linear module i 2-2, a linear module ii 2-3, a linear module iii 2-4, a linear module iv 2-5 and a detection head 2-5-1, which are arranged on the detection rack 2-1, wherein the whole detection rack 2-1 is a rectangular frame structure constructed by aluminum profiles. The section bar of a group of opposite sides on the upper side of the detection frame 2-1 is provided with two linear modules I2-2 and two linear modules II 2-3 which are parallel to each other, namely the linear modules I2-2 and the linear modules II 2-3 are respectively and correspondingly arranged on the section bar at one side, the slide blocks of the linear modules I2-2 and the linear modules II 2-3 are connected through a section bar, the section bar and the two slide blocks jointly form a moving pair, and in addition, the section bar is also provided with a linear module III 2-4; a linear module IV 2-5 is also arranged on the sliding block of the linear module III 2-4, the linear module IV 2-5 is vertically arranged, namely the sliding block can move in the vertical direction, and a detection head 2-5-1 is arranged on the sliding block of the linear module IV 2-5; obviously, the detection head 2-5-1 can move freely in three directions of XYZ under the action of the linear modules one to four, and the detection head 2-5-1 is used for detecting and collecting the spatial coordinates of the data points on the measured flat plate.
The base platform 1 is composed of a base platform frame 1-1 and various functional mechanisms arranged on the base platform frame 1-1, and four mechanisms including a beating mechanism 1-2, a beating reference mechanism 1-3, a corner detection mechanism 1-4 and a plane compensation mechanism 1-5 are arranged on the base platform frame 1-1, wherein:
(1) the beating mechanism 1-2 consists of a big cylinder beating mechanism 1-2-1, a fine adjustment beating mechanism 1-2-2 and a stop cylinder 1-2-3.
The large-cylinder beating mechanism 1-2-1 comprises a beating frame 1-2-1-1, a large-beating cylinder 1-2-1-2, two guide rods 1-2-1-3, a beating bending groove 1-2-1-4 and four beating rollers 1-2-1-5, as shown in figure 2, a big-racket positive cylinder 1-2-1-2 is arranged on a racket positive frame 1-2-1-1, the end parts of the push rods of the two guide rods 1-2-1-3 and the big-racket positive cylinder 1-2-1-2 are connected with a racket positive bending groove 1-2-1-4, and racket positive rollers 1-2-1-5 are uniformly arranged in the racket positive bending groove 1-2-1-4 in a straight line shape. The whole large cylinder correcting mechanism 1-2-1 is respectively arranged on a plurality of side edges shown on the base frame 1-1.
The large cylinder beating mechanism 1-2-1 has the function of initial positioning. As described in the technical solution, in practical application, the present invention firstly needs to put the bracket for holding the flat plate to be tested into the testing space between the mobile testing device 2 and the base platform 1 on the base platform 1-1 by means of the transporting equipment, before the bracket contacts the plane compensation mechanism 1-5, the beating mechanism 1-2 starts to act, the moment is that the big cylinder correcting mechanism 1-2-1 acts, the correcting roller 1-2-1-5 in the big cylinder correcting mechanism 1-2-1 extends outwards under the action of the cylinder push rod to carry out primary positioning on the bracket for holding the flat plate to be measured, the bracket can be placed on the plane compensation mechanism 1-5 after the primary positioning is finished, in the process, the guide rod 1-2-1-3 in the mechanism plays a role of auxiliary guide.
The fine adjustment beating positive mechanism 1-2-2 consists of a fine adjustment beating positive mounting frame 1-2-2-1, a fine adjustment cylinder 1-2-2-2, a fine adjustment beating positive roller 1-2-2-3 and a fine adjustment beating positive roller mounting plate 1-2-2-4, as shown in figure 3, the fine adjustment cylinder 1-2-2-2 is arranged on the fine adjustment beat positive mounting frame 1-2-2-1, the push rod of the fine adjustment cylinder 1-2-2-2 is connected with the fine adjustment beat positive roller 1-2-2-3 through the fine adjustment beat positive mounting frame 1-2-2-4, as shown in the figure, the whole fine adjustment correcting mechanism 1-2-2 is arranged on the other three sides of the base frame 1-1 except the side where the A opening is positioned.
The fine adjustment beating mechanism 1-2-2 has the function of further accurately positioning the bracket under the auxiliary action of the plane compensation mechanism 1-5 after the large cylinder beating mechanism 1-2-1 completes initial positioning. The purpose of accurate positioning is to ensure high precision of subsequent detection processes.
And a stop cylinder 1-2-3 which is arranged at a position lower than the middle part of the side rack 1-1 where the port A is positioned. In the actual work: in the process that a bracket for containing a flat plate is placed to a detection position from an opening A, a stop roller 1-2-3-4 on a stop cylinder 1-2-3 can descend to a safety position under the action of a cylinder push rod, so that interference on the bracket in the process is avoided, meanwhile, the stop roller 1-2-3-4 is protected, after the placement action of the bracket is completed, the stop roller 1-2-3-4 can ascend to a working position from the safety position, the stop roller can stop the positioned bracket, and subsequent measurement work can be carried out smoothly. The stopping cylinder 1-2-3 is used for bouncing up and stopping the bracket after the bracket enters a preset position, and the aim of ensuring the subsequent accurate positioning is achieved.
(2) The patting reference mechanism 1-3 is composed of a patting reference mounting frame 1-3-1 and four universal ball units 1-3-2 arranged on the patting reference mounting frame as shown in figure 5, wherein each universal ball unit 1-3-2 is composed of a universal ball mounting seat 1-3-2-1 and one universal ball 1-3-2-2 arranged in the universal ball mounting seat, and the four universal ball units 1-3-2-2 are uniformly arranged on the patting reference mounting frame 1-3-1 in a straight line shape at equal intervals; and all the universal balls are positioned in the same vertical plane, and the plane is a reference plane for positioning by beating. The beat-up reference mechanism 1-3 provides a vertical reference surface for the subsequent beat-up positioning, and the reference surface is determined by the vertexes of a plurality of universal balls.
(3) The corner detection mechanism 1-4, as shown in figure 1, is composed of several sets of dial gauge parts 1-4-1 arranged on the side of the large cylinder correcting mechanism 1-2-1 on the base platform 1 and two liftable dial gauge parts 1-4-2 arranged in the middle of the side wall of the A-port side base rack 1-1, and the functions of the corner detection mechanism 1-4 are as follows: 1) detecting several edges of the tested flat plate to evaluate whether the straightness error of each edge meets the specification; 2) and comprehensively detecting the adjacent edges of the several groups of the tested flat plates to evaluate whether the perpendicularity error of each group of the adjacent edges meets the specification.
Wherein: the dial gauge component 1-4-1 is composed of an instrument cylinder frame I1-4-1-1 and an instrument pushing cylinder I1-4-1-2, the side surface of which is arranged on the installation surface of the instrument cylinder frame I1-4-1-1, the end part of a push rod of the instrument pushing cylinder I1-4-1-2 is connected with the instrument frame I1-4-1-3, the top of the instrument frame I1-4-1-3 is provided with a fastening clamping opening I1-4-1-4 for installing the dial gauge, and the inside of the fastening clamping opening I1-4-1-4 is provided with the dial gauge I1-4-1-5; a first key cylinder 1-4-1-6 is arranged right above the first dial indicator 1-4-1-5, and a first key cylinder mounting rack 1-4-1-7 is arranged between the first key cylinder 1-4-1-6 and the first instrument rack 1-4-1-3. In the above-mentioned several groups of dial gauge parts, the straight lines where the measuring heads of several groups of dial gauges 1-4-1-5 arranged on the same side of the base station are located are mutually perpendicular to the straight lines where the measuring heads of several groups of dial gauges arranged on the adjacent side of the base station are located, and these former sub-gauges are located on the same horizontal plane. In the structure of the dial indicator part, the instrument propulsion cylinder is used for pushing the dial indicator from a safety position to a measurement position after a series of accurate positioning actions are completed; the key cylinder is used for touching and pressing some functional keys on the dial indicator. During actual work, the dial indicator part on the same side has the function of detecting the straightness error of the side of the flat plate; the dial indicator parts on two adjacent sides have the function of detecting the verticality error of one group of adjacent sides of the flat plate.
A liftable dial indicator component 1-4-2 is composed of a liftable cylinder 1-4-2-1, a liftable cylinder mounting rack 1-4-2-2, a double-sided mounting plate 1-4-2-3 and partial structures in the dial indicator component 1-4-1, more specifically, the liftable cylinder 1-4-2-1 is arranged on the liftable cylinder mounting rack 1-4-2-2, the end part of a push rod of the liftable cylinder 1-4-2-1 is connected with the double-sided mounting plate 1-4-2-3, the liftable dial indicator component is the same as the dial indicator component, the top of an instrument frame II 1-4-2-5 is provided with a fastening clamping opening 1-4-2-6 for clamping the dial indicator, the second dial indicator 1-4-2-7 is arranged in the fastening clamping opening, the second key air cylinder 1-4-2-8 is arranged above the second dial indicator 1-4-2-7, and the second key air cylinder 1-4-2-8 is fixed with the second instrument frame 1-4-2-5 through the second key air cylinder mounting frame 1-4-2-9. In actual work, this side of installing liftable amesdial part is the bracket import side, and at the in-process of putting into the detection position with the bracket, liftable amesdial part can drop amesdial two to safe position, has played the guard action, waits to begin to detect time measuring again with amesdial two liter to the measuring position.
(4) The plane compensation mechanism 1-5, as shown in fig. 8, is composed of two groups of plane compensators 1-5-1 arranged on a base platform, the two groups of plane compensators 1-5-1 are arranged in parallel on a plane, each group of plane compensators 1-5-1 is composed of 4 floating cylinders 1-5-1-1 arranged uniformly and equidistantly in a straight line on a base platform frame, and the movable end of the top of the floating cylinder 1-5-1-1 is connected with a horizontal flat plate 1-5-1-2 for holding a bracket.
It should be noted that, as will be understood by those skilled in the art, the structure of the planar compensator 1-5-1 in the above description is only one of the cases described in the present embodiment, and in addition, the planar compensator 1-5-1 in the present invention may also be other reasonable structures, for example, two sets of planar compensators 1-5-1 are arranged on the base platform in a crossed manner, or the floating cylinders 1-5-1-1 are arranged on the base platform 1 in a circumferentially equidistant manner, and the horizontal plate 1-5-1-2 connected to the top movable end thereof is in a circular ring shape, and any reasonable arrangement is within the scope of the present invention.
The general working process of the invention is as follows:
firstly, debugging and zero calibration are needed to be carried out on a dial indicator part 1-4-1 and a liftable dial indicator part 1-4-2 in a corner detection mechanism 1-4, so that the measuring heads of several dial indicators on the side of a base station 1 where a shooting reference mechanism 1-3 is located and the opposite side of the side are collinear at the measuring position and the straight line is parallel to a reference plane determined by the shooting reference mechanism 1-3, similarly, the measuring heads of several dial indicators on the adjacent side of the shooting reference mechanism 1-3 are collinear at the measuring position, and the straight line is perpendicular to the plane determined by the shooting reference mechanism 1-3; obviously, in the measuring process, straight lines determined by the measuring jacks of every two adjacent side dial indicators are perpendicular to each other, and the geometric relations ensure the accuracy of the corner detection mechanism for detecting the perpendicularity error of the flat plate to be detected; and after debugging and calibration are finished, the dial indicator needs to be moved back to a safe position so as to avoid damage.
Secondly, a bracket for containing a flat plate to be detected is required to be sent into a detection area between the mobile detection device 2 and the base station 1 from the side of the opening A, and the bracket is placed on the plane compensation mechanism 1-5, in the process, the large air cylinder correcting mechanisms 1-2-1 start to act, each correcting roller 1-2-1-5 reaches a preset position under the action of a push rod, and each correcting roller 1-2-1-5, each correcting reference mechanism 1-3 and the stop air cylinder 1-2-3 provide four-direction restraint for the bracket, so that the bracket can be initially positioned when being placed on the plane compensation mechanism 1-5-1.
After the initial positioning is finished, the fine tuning patting mechanism 1-2-2 starts to act, the fine tuning patting roller 1-2-2-3 accurately positions the bracket under the action of the fine tuning cylinder 1-2-2-2 under the assistance of the plane compensator 1-5-1, in the process, the plane compensator 1-5-1 provides a small adjustment allowance with low resistance for the tray, and the bottom surface of the bracket and the plane compensator 1-5-1 do not slide relatively in the fine tuning patting process.
After the preliminary positioning and the accurate positioning are finished, the mobile detection device 2 and the corner detection mechanism 1-4 start to act, and the detection head 2-5-1 on the mobile detection device 2 moves in three directions of space XYZ under the action of the linear module I2-2 to the linear module IV 2-5 to detect each preset point on the measured flat plate so as to calculate the flatness error of the measured flat plate; meanwhile, each dial indicator is pushed to a measuring position under the action of the instrument cylinder and the lifting cylinder 1-4-2-1, and the straightness of each side of the measured flat plate and the perpendicularity of each group of adjacent sides are detected.
After a series of detection actions are finished, each dial indicator retreats from the measuring position to the safety position, each beating mechanism resets, the stopping air cylinder 1-2-3 acts, and the stopping roller 1-2-3-1 is pushed to the safety position from the working position.
Finally, the carriage is taken out of the inspection position, and the entire inspection process is completed.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. An inspection platform, comprising: the mobile detection device comprises a base platform, a beating mechanism, a beating reference mechanism, a corner detection mechanism and a plane compensation mechanism, wherein the beating mechanism, the beating reference mechanism, the corner detection mechanism and the plane compensation mechanism are arranged on the base platform;
the bracket for holding the flat plate to be detected is placed in the detection space between the mobile detection device and the base station on the base station frame, the flat plate to be detected is positioned on the detection rack, the correcting mechanism starts to act before the bracket contacts the plane compensation mechanism, and the correcting mechanism carries out primary positioning on the flat plate to be detected and the bracket thereof by taking the correcting reference mechanism as a reference; after the bracket is placed on the plane compensation mechanism, the patting mechanism performs a second action, the patting mechanism performs fine adjustment and positioning on the bracket and the flat plate to be detected under the auxiliary action of the plane compensation mechanism, and when the two positioning actions of the patting mechanism are completed, the corner detection mechanism and the mobile detection device start subsequent detection work; the linear modules are used for collecting data points on the measured flat plate;
the base frame is of a frame structure, the patting calibration mechanism is arranged on one side edge of the upper surface of the base frame, and the patting calibration mechanism comprises a patting calibration mounting frame and a plurality of universal ball units arranged on the patting calibration mounting frame; the universal ball unit comprises a universal ball mounting seat and universal balls arranged in the universal ball mounting seat, and points on the universal balls farthest from the mounting surface of the righting reference mounting rack are tangent to the same vertical plane;
the positive beating mechanism comprises a large air cylinder positive beating mechanism, the large air cylinder positive beating mechanism comprises a positive beating frame, a large positive beating air cylinder and a guide rod, the large positive beating air cylinder and the guide rod are arranged on the positive beating frame, positive beating bending grooves are further connected to the end portions of push rods of the guide rod and the large positive beating air cylinder, and a plurality of positive beating rollers which are arranged in a straight line are arranged in the grooves of the positive beating bending grooves; the large cylinder correcting mechanism is respectively and fixedly arranged at the position of the middle part of one side adjacent to the side of the edge of the base stand where the correcting reference mechanism is positioned and the middle part of the opposite side;
the fine adjustment beating positive mechanism comprises a fine adjustment beating positive mounting frame, a fine adjustment cylinder arranged on the fine adjustment beating positive mounting frame, and a fine adjustment beating positive roller arranged at the end part of a push rod of the fine adjustment beating positive cylinder; the side wall of the fine adjustment shooting cylinder is arranged on the upper mounting surface of the fine adjustment shooting mounting frame, and a fine adjustment shooting roller mounting plate is arranged between the push rod of the fine adjustment shooting cylinder and the fine adjustment shooting roller; the whole fine adjustment shooting mechanism is respectively arranged on the edge of the base frame where the shooting reference mechanism is located and the edge of the big cylinder shooting mechanism.
2. The assay platform of claim 1, wherein: the corner detection mechanism comprises a plurality of groups of dial indicator parts which are arranged on the base rack respectively and are located on the side where the large cylinder correcting mechanism is located, wherein each dial indicator part comprises an instrument cylinder frame I and an instrument pushing cylinder I, the side face of each instrument pushing cylinder I is arranged on the upper mounting face of the instrument cylinder mounting frame I, the end part of a push rod of each instrument pushing cylinder I is connected with the instrument frame I, the top of each instrument frame I is provided with a first fastening clamp opening used for mounting a dial indicator, and the first fastening clamp opening is internally provided with the first dial indicator; a first key cylinder is arranged right above the first dial indicator, and a first key cylinder mounting frame is arranged between the first key cylinder and the first instrument frame; the straight lines of the measuring heads of the dial gauges in the sets of dial gauge parts arranged on the same side of the base station frame are perpendicular to the straight lines of the measuring heads of the sets of dial gauges arranged on the adjacent sides of the base station frame, and the sets of dial gauges are positioned on the same horizontal plane.
3. The assay platform of claim 2, wherein: the corner detection mechanism also comprises a group of liftable dial indicator parts which are arranged on the side surface of one side of the base rack, which is adjacent to the edge where the patting and correcting reference mechanism is located and opposite to the edge where the large cylinder patting and correcting mechanism is located; the lifting dial gauge component comprises a lifting cylinder and a lifting cylinder mounting frame for mounting the lifting cylinder, the end part of a push rod of the lifting cylinder is connected with a double-sided mounting plate, the other side of the double-sided mounting plate is connected with a second instrument pushing cylinder, the end part of the push rod of the second instrument pushing cylinder is connected with a second instrument frame, the top of the second instrument frame is provided with a second fastening clamp opening for mounting a dial gauge, and the second dial gauge is mounted in the second fastening clamp opening; and a second key cylinder is arranged right above the second dial indicator, and a second key cylinder mounting frame is arranged between the second key cylinder and the second instrument frame.
4. The assay platform of claim 3, wherein: and a stop cylinder is further arranged on the side face of one side of the base rack where the liftable dial indicator component is located.
5. The assay platform of claim 1, wherein: the plane compensation mechanism comprises a plurality of groups of plane compensators arranged on the base rack, each plane compensator comprises a plurality of floating cylinders, the cylinder bodies of the floating cylinders are fixed on the base rack, and the movable ends of the tops of the floating cylinders are connected with a horizontal flat plate.
6. The assay platform of claim 1, wherein: the detection rack is a rectangular frame structure built by a plurality of sectional materials; the section bar of a group of opposite sides at the upper side of the detection rack is provided with a linear module I and a linear module II which are parallel to each other, the slide blocks of the linear module I and the linear module II are connected through one section bar, and the section bar is also provided with a linear module III; a fourth linear module is also arranged on the sliding block of the third linear module, and a detection head is arranged on the sliding block of the fourth linear module; the detection head can move freely in the three directions of XYZ under the action of the linear modules I to IV.
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| CN110887435B true CN110887435B (en) | 2021-07-27 |
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| CN111721255A (en) * | 2020-06-30 | 2020-09-29 | 中建材轻工业自动化研究所有限公司 | Flatness detection method and system |
| CN114394406B (en) * | 2021-12-27 | 2024-02-02 | 深圳市创新特科技有限公司 | Non-contact jig positioning and aligning mechanism with self-locking function and plate collecting and releasing machine |
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| CN106546200A (en) * | 2015-09-16 | 2017-03-29 | 深圳市光大智能科技有限公司 | A kind of accessory size testing equipment |
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